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Mel

How Do Put Freon In My 2003 Ford Taurus ?

10 posts in this topic

It's getting hot and I recently replaced my air compressor but now I need some freon to make my A/C to work again. Can someone help me out here?

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It's getting hot and I recently replaced my air compressor but now I need some freon to make my A/C to work again. Can someone help me out here?

Did you pull a vaccum on the system?

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It's getting hot and I recently replaced my air compressor but now I need some freon to make my A/C to work again. Can someone help me out here?

Depending on the state, they sell kits with the hose and a couple cans of R-134, as well as a small can of lubricant for the system

you screw the hose onto the can of lubricant first, then screw that whole thing into the A/C system, then screw the puncture device down onto the top of the lubricant can, and when you unscrew it, hold it upside down while the car is on with the engine running and A/C set wide open. Repeat for both cans, it wont be full but do not overfill your A/C system or else bad things happen.

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Recharge AC in car

This is a better description than mine.

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Thanks!

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Since the system was opened to the atmosphere, you have to use a vacuum pump to remove air & moisture from the system before you charge with refrigerant.

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Since the system was opened to the atmosphere, you have to use a vacuum pump to remove air & moisture from the system before you charge with refrigerant.

If you don't pull and vacuum on the system before you recharge it you will be replacing the compressor again in the near future.

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If you don't pull and vacuum on the system before you recharge it you will be replacing the compressor again in the near future.

Agree:

Withour pulling a hard vacuum on the system, your AC would not work at all. It would have air and moisture in the loop.

Back in the day, we would put freon 12 in the system, then pull a vacuum, then refill.

But that was then this is now.

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Agree:

Withour pulling a hard vacuum on the system, your AC would not work at all. It would have air and moisture in the loop.

Back in the day, we would put freon 12 in the system, then pull a vacuum, then refill.

But that was then this is now.

The biggest threat from not vacuuming the system down is the formation of compressor destroying acid. It will literally destroy the A/C system from the inside out.

Edited by DerbyDave

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The biggest threat from not vacuuming the system down is the formation of compressor destroying acid. It will literally destroy the A/C system from the inside out.

As I remember, air in the system when compressed stays air and not a liquid like freon. It will make excess high pressure with loss of cooling.

Moisture will freeze and block the system.

I watched the construction of a commcial refrig system installed to high level specs. They passed nitrogen through the system while silver soldering the joints. Then pressureized it with nitrogen to test for leakdown.

Then vaccumed the system and then put freon 22 in the system. The nitrogen prevented oxidization of the joints during heating and soldering. It removed any ambient moisture in the system. They fit all the joints, then put a metered amount of nitrogen through the system as they soldered and beyond to purge any moisture. The system worked perfect, the factory never opened. I lost my job soon after as the operation got in financial trouble.

-chart-

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